747944 has 8 divisors (see below), whose sum is σ = 1402410. Its totient is φ = 373968.

The previous prime is 747941. The next prime is 747953. The reversal of 747944 is 449747.

747944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 743044 + 4900 = 862^2 + 70^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 747944.

It is not an unprimeable number, because it can be changed into a prime (747941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46739 + ... + 46754.

2⁷⁴⁷⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

747944 is a deficient number, since it is larger than the sum of its proper divisors (654466).

747944 is a wasteful number, since it uses less digits than its factorization.

747944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93499 (or 93495 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 747944 is about 864.8375570013. The cubic root of 747944 is about 90.7729314411.

The spelling of 747944 in words is "seven hundred forty-seven thousand, nine hundred forty-four".